I denotes the set of real numbers and (*) is an operation on R such that a * B = a +B+ aß for ali a, B, E R. If SCR, then which one of the following pairs is an abelian group? %3D (a) {S, *}, S = R (b) {S, *}, S = R\{0} (c) {S, *},S = R\(1} (d) {S, +}, S = R\{– 1}

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A denotes the set of real numbers and (*) is an
operation on R such that a * B = a +ß+ aß for
all a, B, e R.
If SCR, then which one of the following pairs
is an abelian group?
(a) {S, *}, S = R
(b) {S, *}, S = R\{0}
(c) {S, *},S=R\{1}
(d) {S, +}, S =R\(-1}
Transcribed Image Text:A denotes the set of real numbers and (*) is an operation on R such that a * B = a +ß+ aß for all a, B, e R. If SCR, then which one of the following pairs is an abelian group? (a) {S, *}, S = R (b) {S, *}, S = R\{0} (c) {S, *},S=R\{1} (d) {S, +}, S =R\(-1}
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